diff options
Diffstat (limited to 'drivers/s390/crypto/zcrypt_pcica.c')
-rw-r--r-- | drivers/s390/crypto/zcrypt_pcica.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/s390/crypto/zcrypt_pcica.c b/drivers/s390/crypto/zcrypt_pcica.c index 2f220208da63..6af9c9fd39b1 100644 --- a/drivers/s390/crypto/zcrypt_pcica.c +++ b/drivers/s390/crypto/zcrypt_pcica.c @@ -258,10 +258,8 @@ static void zcrypt_pcica_receive(struct ap_device *ap_dev, int length; /* Copy the reply message to the request message buffer. */ - if (IS_ERR(reply)) { - memcpy(msg->message, &error_reply, sizeof(error_reply)); - goto out; - } + if (!reply) + goto out; /* ap_msg->rc indicates the error */ t84h = reply->message; if (t84h->code == TYPE84_RSP_CODE) { length = min(PCICA_MAX_RESPONSE_SIZE, (int) t84h->len); @@ -302,10 +300,12 @@ static long zcrypt_pcica_modexpo(struct zcrypt_device *zdev, init_completion(&work); ap_queue_message(zdev->ap_dev, &ap_msg); rc = wait_for_completion_interruptible(&work); - if (rc == 0) - rc = convert_response(zdev, &ap_msg, mex->outputdata, - mex->outputdatalength); - else + if (rc == 0) { + rc = ap_msg.rc; + if (rc == 0) + rc = convert_response(zdev, &ap_msg, mex->outputdata, + mex->outputdatalength); + } else /* Signal pending. */ ap_cancel_message(zdev->ap_dev, &ap_msg); out_free: @@ -341,10 +341,12 @@ static long zcrypt_pcica_modexpo_crt(struct zcrypt_device *zdev, init_completion(&work); ap_queue_message(zdev->ap_dev, &ap_msg); rc = wait_for_completion_interruptible(&work); - if (rc == 0) - rc = convert_response(zdev, &ap_msg, crt->outputdata, - crt->outputdatalength); - else + if (rc == 0) { + rc = ap_msg.rc; + if (rc == 0) + rc = convert_response(zdev, &ap_msg, crt->outputdata, + crt->outputdatalength); + } else /* Signal pending. */ ap_cancel_message(zdev->ap_dev, &ap_msg); out_free: |